US Bridges

Wilson Road over Cordray Drain

Good

Gratiot County, Michigan · Sec. 25-36 Washington Twp · Structure no. 000000000003134

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
333
2009 count
Owner
County
County Highway Agency

About this bridge

Wilson Road over Cordray Drain is a concrete culvert carrying Wilson Road over Cordray Drain in Gratiot County, Michigan. It was built in 2011, so it is 14 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 333 vehicles a day, roughly 3% of them trucks, projected to reach 600 by 2029. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWilson Road
CrossesCordray Drain
LocationSec. 25-36 Washington Twp
RouteCounty Highway 521
Coordinates43.13228, -84.49751
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic333 (2009)
Projected traffic600 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilson Road over Cordray Drain built?

It was built in 2011, making it 14 years old in 2025.

What condition is Wilson Road over Cordray Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Wilson Road over Cordray Drain carry?

About 333 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Wilson Road over Cordray Drain?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m).

Who owns Wilson Road over Cordray Drain?

It is owned by the County Highway Agency.